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── Calculators
Run YOUR numbers.
Free. No login. The math is in plain code — open the page source if you want to verify it. These will grow over time.
01→
Opportunity Cost
Rent vs buy + invest the difference
The math your parents skipped. Compare buying a house against renting and investing the down payment + the monthly difference.
02→
Cashflow
Rich Dad framework
Income, expenses, assets, liabilities. See your freedom ratio and how long until asset income exceeds expenses.
More to come: backdoor Roth, S-corp savings, lease vs buy, the W-2 ceiling. If there's math you wish your parents had taught you, it'll land here.